A flexible metal-organic framework with double interpenetration for highly selective COcapture at room temperature

被引：0

作者：

Bin Li

Banglin Chen

机构：

[1] DepartmentofChemistry,UniversityofTexasatSanAntonio

来源：

Science China(Chemistry) | 2016年 / 08期

关键词：

metal-organic framework; flexible; CO2; capture; selectivity; gate-opening effect;

D O I：

暂无

中图分类号：

O647.3 [吸附]; X701 [废气的处理与利用];

学科分类号：

070304 ; 081704 ; 083002 ;

摘要：

A flexible metal-organic framework of 1a Cu（FMA）(4,4'-Bpe)0.5(FMA=fumarate; 4,4'-Bpe=trans-bis-（4-pyridyl）ethylene) that exhibits guest molecule-controlled gate-opening adsorption has been reported, in which the flexible pores can be enlarged by CO2 molecules rather than CH4 and N2 under a certain gate-opening pressure. The CO2 uptake can be sharply improved from 6.85cm3 g–1 at 0.60 atm to 33.7 cm3 g–1 at 1 atm due to the gate-opening effect, thus resulting in the notably enhanced adsorption selectivities for CO2/CH4（32:1, v/v） and CO2/N2（48:1, v/v） separations at room temperature.

引用

页码：965 / 969

页数：5

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